In Blackthorn Bay, delicious pizzas are mysteriously vanishing from Mr. Luigi's new pizza shop. Young detectives Emily (9), Sophie (9), Jack (8), and their clever dog Benji are on the case, racing against time to uncover the truth before more hungry customers are left without dinner. Why do the pizzas only vanish on Fridays? And who is the mysterious shadow lurking in the dark alley, leaving behind strange floury footprints? Join Emily, Sophie, Jack, and Benji in this thrilling Friday mystery full of twists and turns!